Finding the Fourth Proportional to 81,147,188,132.37, 111,936,594,084.64 and 50,610,356,041.91

Step by Step Solution

1. Step 1: Write the proportion equation
   81,147,188,132.37 : 111,936,594,084.64 = 50,610,356,041.91 : x
2. Step 2: Convert to fraction form
   81,147,188,132.37/111,936,594,084.64 = 50,610,356,041.91/x
3. Step 3: Cross multiply
   81,147,188,132.37x = 111,936,594,084.64 × 50,610,356,041.91
4. Step 4: Simplify right side
   81,147,188,132.37x = 5,665,150,880,741,827,018,752
5. Step 5: Solve for x
   x = 5,665,150,880,741,827,018,752/81,147,188,132.37
6. Step 6: Final answer
   x = 69,813,274,016.35